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United States Patent | 5,257,165 |
Chiang | October 26, 1993 |
A PGA adaptor mounting hardware comprising a PGA adaptor which has a plurality of double-head fastening pins and contact pins with flush type contact terminals, and a printed circuit board which has apertures, a printed circuit with conductive points on a top edge thereof, and a transistor circuit on a bottom edge thereof with contact terminals aligned to and electrically connected to the conductive points of the printed circuit for mounting an IC. The printed circuit board is covered with a layer of tin paste over the apertures and the contact terminals of the printed circuit thereby, permitting the PGA adaptor to be connected thereto by inserting the double-head fastening pins into the apertures and, soldering the contact terminals of the contact pins to the conductive points of the printed circuit.
Inventors: | Chiang; Jung-Shan (Taipei, TW) |
Assignee: | Jaton Technology Co., Ltd. (Taipei, TW) |
Appl. No.: | 834841 |
Filed: | February 13, 1992 |
Current U.S. Class: | 361/748; 174/261; 361/728; 361/737; 361/760; 361/761; 439/45; 439/78 |
Intern'l Class: | H05K 001/00 |
Field of Search: | 361/392,393,395,397,400,401,413 439/44,45,68,71,78 174/261,201 257/697 |
4618739 | Oct., 1986 | Theobald | 174/52. |
4750092 | Jun., 1988 | Werther | 361/400. |
4914813 | Apr., 1990 | Layher et al. | 29/843. |
4933741 | Jun., 1990 | Schroedor | 357/70. |